81891558

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{433}}^1$

素因数の和:546

約数の個数: 96

約数和(自身を含む): 216652800

約数和(自身を除く): 134761242

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 79, 114, 126, 133, 158, 171, 237, 266, 342, 399, 433, 474, 553, 711, 798, 866, 1106, 1197, 1299, 1422, 1501, 1659, 2394, 2598, 3002, 3031, 3318, 3897, 4503, 4977, 6062, 7794, 8227, 9006, 9093, 9954, 10507, 13509, 16454, 18186, 21014, 24681, 27018, 27279, 31521, 34207, 49362, 54558, 57589, 63042, 68414, 74043, 94563, 102621, 115178, 148086, 172767, 189126, 205242, 239449, 307863, 345534, 478898, 518301, 615726, 649933, 718347, 1036602, 1299866, 1436694, 1949799, 2155041, 3899598, 4310082, 4549531, 5849397, 9099062, 11698794, 13648593, 27297186, 40945779, 81891558]

約数ペア:

[(1, 81891558), (2, 40945779), (3, 27297186), (6, 13648593), (7, 11698794), (9, 9099062), (14, 5849397), (18, 4549531), (19, 4310082), (21, 3899598), (38, 2155041), (42, 1949799), (57, 1436694), (63, 1299866), (79, 1036602), (114, 718347), (126, 649933), (133, 615726), (158, 518301), (171, 478898), (237, 345534), (266, 307863), (342, 239449), (399, 205242), (433, 189126), (474, 172767), (553, 148086), (711, 115178), (798, 102621), (866, 94563), (1106, 74043), (1197, 68414), (1299, 63042), (1422, 57589), (1501, 54558), (1659, 49362), (2394, 34207), (2598, 31521), (3002, 27279), (3031, 27018), (3318, 24681), (3897, 21014), (4503, 18186), (4977, 16454), (6062, 13509), (7794, 10507), (8227, 9954), (9006, 9093)]